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Inspection CYLINDER HEAD DISTORTION Cylinder head distortion: Standard Less than 0.07 mm (0.0028 in) Limit 0.2 mm (0.008 in) If beyond the specified limit, correct with a surface grinder. Cylinder head minimum height: 89.7 mm (3.531 in) VALVE GUIDE CLEARANCE I Valve guide clearance should be measured parallel with Valve to guide clearance: Limit Intake 0.15 mm (0.0059 in) Maximum allowable deflection Intake 0.30 mm (0.0118 in) I To determine the correct replacement part, measure valve Valve stem diameter: Standard Intake 7.965 - 7.980 mm (0.3135 - 0.3142 in) Exhaust 7.945 - 7.960 mm (0.3128 - 0.3134 in) Valve guide inner diameter: 8.000 - 8.015 mm (0.3150 - 0.3156 in) VALVE GUIDE REPLACEMENT 1. Heat cylinder head 150 to 160°C (302 to 320°F) in oil. SEM648B SEM586A EM030 SEM649B SEM628B CYLINDER HEAD TD27Ti EM-107 |